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dirmngr: Return modifyTimestamp and add server option --newer.

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* dirmngr/server.c (cmd_ks_get): Add option --newer.
(cmd_ad_query): Ditto.
* dirmngr/ldap-misc.c (isotime2rfc4517): New.
(rfc4517toisotime): New.
* dirmngr/ks-action.c (ks_action_get): Add arg newer and pass on.
(ks_action_query): Ditto.
* dirmngr/ks-engine-ldap.c (extract_keys): Print new "chg" record.
(ks_ldap_get): Add arg newer.  Modify filter with newer arg.
(ks_ldap_search): Print the modifyTimestamp.
(ks_ldap_query): Add arg newer.  Modify filter with newer arg.
--

Note that the modifyTimestamp is also available on Windows, where its
value is more commonly known as whenChanged.  Both are constructed
attributes.

Note that the --newer option is a bit of a misnomer because LDAP has
only a greater-or-equal and no greater-than operator.
This commit is contained in:
Werner Koch 2023-04-04 08:49:55 +02:00
parent a5360ae4c7
commit 56d309133f
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
7 changed files with 195 additions and 27 deletions
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33
dirmngr/server.c
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@ -2461,22 +2461,28 @@ cmd_ks_search (assuan_context_t ctx, char *line)
static const char hlp_ks_get[] =
"KS_GET [--quick] [--ldap] [--first|--next] {<pattern>}\n"
"KS_GET [--quick] [--newer=TIME] [--ldap] [--first|--next] {<pattern>}\n"
"\n"
"Get the keys matching PATTERN from the configured OpenPGP keyservers\n"
"(see command KEYSERVER). Each pattern should be a keyid, a fingerprint,\n"
"or an exact name indicated by the '=' prefix. Option --quick uses a\n"
"shorter timeout; --ldap will use only ldap servers. With --first only\n"
"the first item is returned; --next is used to return the next item";
"the first item is returned; --next is used to return the next item\n"
"Option --newer works only with certain LDAP servers.";
static gpg_error_t
cmd_ks_get (assuan_context_t ctx, char *line)
{
ctrl_t ctrl = assuan_get_pointer (ctx);
gpg_error_t err;
strlist_t list, sl;
strlist_t list = NULL;
strlist_t sl;
const char *s;
char *p;
estream_t outfp;
unsigned int flags = 0;
gnupg_isotime_t opt_newer;
*opt_newer = 0;
if (has_option (line, "--quick"))
ctrl->timeout = opt.connect_quick_timeout;
@ -2486,13 +2492,18 @@ cmd_ks_get (assuan_context_t ctx, char *line)
flags |= KS_GET_FLAG_FIRST;
if (has_option (line, "--next"))
flags |= KS_GET_FLAG_NEXT;
if ((s = option_value (line, "--newer"))
&& !string2isotime (opt_newer, s))
{
err = set_error (GPG_ERR_SYNTAX, "invalid time format");
goto leave;
}
line = skip_options (line);
/* Break the line into a strlist. Each pattern is by
definition percent-plus escaped. However we only support keyids
and fingerprints and thus the client has no need to apply the
escaping. */
list = NULL;
for (p=line; *p; line = p)
{
while (*p && *p != ' ')
@ -2569,7 +2580,7 @@ cmd_ks_get (assuan_context_t ctx, char *line)
ctrl->server_local->inhibit_data_logging_now = 0;
ctrl->server_local->inhibit_data_logging_count = 0;
err = ks_action_get (ctrl, ctrl->server_local->keyservers,
list, flags, outfp);
list, flags, opt_newer, outfp);
es_fclose (outfp);
ctrl->server_local->inhibit_data_logging = 0;
}
@ -2710,6 +2721,10 @@ cmd_ad_query (assuan_context_t ctx, char *line)
estream_t outfp = NULL;
char *p;
char **opt_attr = NULL;
const char *s;
gnupg_isotime_t opt_newer;
*opt_newer = 0;
/* No options for now. */
if (has_option (line, "--first"))
@ -2718,6 +2733,12 @@ cmd_ad_query (assuan_context_t ctx, char *line)
flags |= KS_GET_FLAG_NEXT;
if (has_option (line, "--rootdse"))
flags |= KS_GET_FLAG_ROOTDSE;
if ((s = option_value (line, "--newer"))
&& !string2isotime (opt_newer, s))
{
err = set_error (GPG_ERR_SYNTAX, "invalid time format");
goto leave;
}
err = get_option_value (line, "--attr", &p);
if (err)
goto leave;
@ -2758,7 +2779,7 @@ cmd_ad_query (assuan_context_t ctx, char *line)
err = ks_action_query (ctrl,
(flags & KS_GET_FLAG_ROOTDSE)? NULL : "ldap:///",
flags, filter, opt_attr, outfp);
flags, filter, opt_attr, opt_newer, outfp);
leave:
es_fclose (outfp);